Your task is to extract trade commissions from the given text that is description of a trading Strategy if there is any trade commissions mentioned.

Trade commissions is of type TradeCommissions which is an abstract class with 2 subclasses:
- MoneyCommissions(value: float)
- PercentageCommissions(value: float)

value: is a float value that represents the trade commissions in USD or percentage respectively. If there is X% commission, the value should be X. If there is a commission of $X, the value should be X.

Trade commissions can also be `None` if there is no trade commissions mentioned in the text.

[RESPONSE INSTRUCTIONS]
- Your task is to extract the trade commissions from the given text and return it in the format: trade_commissions=TradeCommissionsType(value), where TradeCommissionsType is one of the subclasses (MoneyCommissions, PercentCommissions) and value is the extracted value.
- Do NOT write 'value=' before the extracted value.
- If no trade commissions is mentioned in the text, return `None`
- Do NOT include any additional text or explanations

Here is the description of the strategy you need to extract the trade commissions from:
[DESCRIPTION]
{description}